1. Department of GastroenterologyChanghai Hospital, Second Military Medical University Shanghai China
2. Department of GastroenterologyRuijin Hospital, Shanghai Jiao Tong University School of Medicine Shanghai China
3. Department of GastroenterologyUnion Hospital, Tongji Medical College, Huazhong University of Science and Technology Wuhan Hubei Province China
4. Department of GastroenterologyNanjing Drum Tower Hospital of Nanjing University Medical School Nanjing Jiangsu Province China
5. Department of GastroenterologyRui'an People's Hospital Wenzhou Zhejiang Province China
6. Department of GastroenterologyThe First Affiliated Hospital of Fujian Medical University Fuzhou Fujian Province China
7. Department of GastroenterologyThe Second Affiliated Hospital of Zhejiang University School of Medicine Hangzhou Zhejiang Province, China
8. Department of GastroenterologyThe First Affiliated Hospital of Soochow University Suzhou Jiangsu Province China
9. Department of GastroenterologyThe First Affiliated Hospital of Zhejiang University Hangzhou Zhejiang Province China
10. Department of GastroenterologyThe Affiliated Hospital of Southwest Medical University Luzhou Sichuan Province China
11. Department of GastroenterologyQilu Hospital of Shandong University Jinan Shandong Province China